Home / 42,136.58-63,204.87-10,971.83

Finding the Fourth Proportional to 42,136.58, 63,204.87 and 10,971.83

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Solution

The fourth proportional to 42,136.58, 63,204.87 and 10,971.83 is: 16,457.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,136.58 : 63,204.87 = 10,971.83 : x
  2. Step 2: Convert to fraction form
    42,136.58/63,204.87 = 10,971.83/x
  3. Step 3: Cross multiply
    42,136.58x = 63,204.87 × 10,971.83
  4. Step 4: Simplify right side
    42,136.58x = 693,472,772.79
  5. Step 5: Solve for x
    x = 693,472,772.79/42,136.58
  6. Step 6: Final answer
    x = 16,457.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.